Kyary Pamyu Pamyu is one of Japan's biggest pop stars and an eccentric princess of Harajuku fashion. Thanks to her colourful, hyper-kinetic dance songs, she's one of the few J-Pop stars to cross over to the West, winning endorsements from the likes of Katy Perry, Ariana Grande and Charli XCX; as well as curating an exhibition, The World Goes Pop, for Tate Modern. Originally a fashion blogger and m